Heater block



FIG. 1 is a front perspective view of an embodiment of the design of aheater block;

FIG. 2 is a front view of the embodiment of the design of the heaterblock of FIG. 1;

FIG. 3 is a rear view of the embodiment of the design of the heaterblock of FIG. 1;

FIG. 4 is a top view of the embodiment of the design of the heater blockof FIG. 1;

FIG. 5 is a bottom view of the embodiment of the design of the heaterblock of FIG. 1;

FIG. 6 is a right side view of the embodiment of the design of theheater block of FIG. 1;

FIG. 7 is a cross-sectional view of the embodiment of the design of theheater block of FIG. 1, taken along line 7-7 of FIG. 2;

FIG. 8 is a front perspective view of an embodiment of the design of aheater block;

FIG. 9 is a front view of the embodiment of the design of the heaterblock of FIG. 8;

FIG. 10 is a rear view of the embodiment of the design of the heaterblock of FIG. 8;

FIG. 11 is a top view of the embodiment of the design of the heaterblock of FIG. 8;

FIG. 12 is a bottom view of the embodiment of the design of the heaterblock of FIG. 8;

FIG. 13 is a right side view of the embodiment of the design of theheater block of FIG. 8; and,

FIG. 14 is a cross-sectional view of the embodiment of the design of theheater block of FIG. 8, taken along line 14-14 of FIG. 9.

Any components or portions in the accompanying drawings shown in one ormore broken lines form no part of the claimed design or a specifiedembodiment thereof. Applicant is in possession of any components orportions shown in one or more broken lines and so reserves the right,without introducing any new matter, to convert any component or portionin one or more broken lines into one or more solid lines (and add anyappropriate surface treatment) in order to make it part of the claimeddesign or a specified embodiment thereof. Further, Applicant is inpossession of any combination of components or portions shown in one ormore solid lines as not forming part of the claimed design and soreserves the right, without introducing any new matter, to convert anycomponent or portion in one or more solid lines into one or more brokenlines in order to make it not form part of the claimed design or aspecified embodiment thereof.

CLAIM The ornamental design for a heater block, as shown and described.